/ Dictionary / Index U unstructured: Meaning and Definition of Find definitions for: un•struc•tured Pronunciation: (un-struk'churd), [key] — adj. lacking a clearly defined structure or organization: an unstructured conference; an unstructured school environment. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: unstructured (Thesaurus) unstriped unstrung Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language